Badriyah, N., Zulaeha, I., & Wagiran, W. (2020). Characteristics of Writing Explanation Text Enrichment Book Containing 21st Century Competence for Senior High School Students. Seloka: Jurnal Pendidikan Bahasa Dan Sastra Indonesia, 9(3), 239-246. https://doi.org/10.15294/seloka.v9i3.40460